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Changing the Battery in Your BMW Car Key Fob Many BMWs require that the key fob have a sleek, slant-shaped battery. This kind of battery is available at many hardware stores and even big-box stores. The battery can be replaced at the at the comfort of your home. Tulley BMW Nashua can guide you through the process so you can be back on Johns Creek roads quickly. How to Change a Battery Many BMW owners aren't aware that they might require a replacement keyfob's battery at some time. This is among the easiest DIY tasks for car maintenance that you can perform yourself. The replacement of your battery will take only a few minutes, and it is inexpensive. The battery can be found at a variety of local convenience stores and parts stores for less than ten dollars. how much are bmw replacement keys g28carkeys.co.uk is normally powered by a CR2032 which is also referred to as a “watch” battery. Remove the key fob's cover and then gently insert the new battery. Make sure to be attentive to the orientation of the new battery, since it has to be installed with the plus and minus indicators facing the same way as the old one. After the battery has been installed it is possible to replace the key fob and drive your BMW again. Certain older BMW models come with a different key type that is a steel key that you insert into the ignition. The batteries that are in these keys can also die over time, and you'll have to replace them in order to start your car. The type of battery you have can be recharged, and replacing it involves cutting a small portion of the key fob so be very careful when doing this. The procedure to replace the battery on this kind of BMW key is a bit different, but it's still extremely simple. First, you'll need remove the key made of metal from the fob, and then open the access port in the side of the key fob. Once you've opened the access port and then, use a screwdriver that is flat to separate both halves of the fob. When the two halves are separated, you can easily remove the dead battery and then insert the new one. After you've changed the battery, you can simply snap the two halves of the key fob again. Contact us now if you require assistance or have any questions about how to replace the battery in your BMW Key Fob. Our team is always ready to help. We look forward to helping you with your automotive needs. CR2450 Battery It's possible you didn't even know that the BMW key fob requires a special battery in order to perform as it should. The CR2450 battery is a three-volt lithium coin cell battery that powers the many different functions of your key fob such as remote locking and unlocking, Comfort Access functionality, and even remotely starting your automobile! These features require the CR2450 coin cell battery which is slightly larger than its CR2032 equivalent. These batteries are available in gas stations and supermarkets and other places which sell lithium batteries of 3 volts. They typically cost $7 to $9 per pack of four, but a careful comparison of prices could uncover lower-cost alternatives from lesser-known brands. It's easy to replace the battery on your BMW keyfob. It's not necessary to change the program or synchronize your vehicle. Remove the valet key, remove the battery and press the tab. The new battery should be placed in exactly the same manner, making sure that the positive side faces upwards. Reassemble the fob. It's crucial to test your BMW key fob after replacing its battery to make sure it is working as you expect it to. This includes locking and unlocking the car, as well as all other functions. You can, for example, press each button on the fob in order to make sure they lock, turn off or off the trunk. Once everything's working as expected then you can put the fob back together and get going! The key fob also contains an electronic chip that stores the security codes and programming necessary to communicate with your BMW. The key fob battery powers this information, however the chip is able to keep it even after you remove the battery. This is why it's important to replace the battery when it begins to wear out. BMW key fobs run on sleek CR2032 batteries. This battery is common in electronic devices and is easily replaced if needed. For models that use the Comfort Access and remote start features, however, a larger battery CR2450 is required. This is a much more powerful battery that is specifically designed for high-drain applications and is available from a variety of stores. They have a nominal capacity of around 600-620 mAh and can last up to 10 years if properly stored. These batteries are perfect for high-drain applications where you need to maximize the performance and endurance. For the best results, stick to a trusted brand for your replacement battery. This will ensure that the new battery will be high-quality and will last through everyday use. Battery CR2032 A CR2032 Battery is an extremely common kind of coin cell battery utilized in a variety of electronic devices like remote controls, key fobs and medical and fitness trackers. This type of battery is also used in heart rate monitors from companies like Polar, Garmin and Wahoo Fitness. It is also used in bike components like road shifters made by SRAM and FSA as well as in some headlights. Like the name suggests, the CR2032 battery uses lithium chemistry and is round in shape with 20 millimeters of diameter and a height of 32 millimeters. It has a low self-discharge meaning it can be left in storage for a long time without losing any charge. This battery is popular for electronics because of its low self-discharge as well as the capacity to keep an energy level even in extreme temperatures. Battery life depends on many factors, including the material storage conditions, the amount of storage time, physical damage, humidity and temperature. Ideally, you want to store the battery in a controlled climate and dry location that is free of physical damage or degrading. It is crucial to only purchase the best quality batteries from reputable retailers. Low-quality batteries may have lower capacity and die prematurely. Major battery makers offer lithium coin cells. They are also available in a majority of large retail stores. The most well-known are Energizer Panasonic and Duracell. These brands are known for adhering to the highest standards of safety and reliability. If you have any questions regarding the authenticity of a particular battery or its packaging, it's recommended to contact the manufacturer directly for additional details. When using a CR2032, it is important to remember that the battery has a positive and the negative terminal. The positive terminal is indicated by a dot on top of the battery and the negative terminal is marked with an arc across the base. If the battery is placed into a device with the wrong side facing forward it could cause damage to the device or even cause an explosion. In contrast to other types of batteries, there's no socket or plug to connect it. Instead a CR2032 battery connects to the device using an aluminum tab. The tab has to be pulled down to connect the battery and can only be done by hand. If you're installing a CR2032 battery into a device like a sensor or smoke detector ensure that the tab contacts on the metal are in the correct location. If not, the device might not work or you could encounter inconsistent results. Fortunately, the instructions for the majority of smoke detectors and sensors provide diagrams showing which way to place the battery. If you are unable to find the diagram for your particular device it's a good idea that you watch a video that demonstrates the proper way to install the batteries.